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Performance and characteristics of HPM75 non-magnetic steel
HPM75 is a high-strength austenitic non-magnetic die steel, which can maintain stable austenite in various states. Therefore, HPM75 non-magnetic steel has ultra-low magnetic permeability, high high-temperature strength and hardness , excellent toughness and weldability, excellent mechanical properties, excellent wear resistance. HPM75 non-magnetic steel has been age-hardened before leaving the factory, without any heat treatment; and the steel structure is uniform, suitable for precision etching processing.
HPM75 non-magnetic steel round bar heat treatment process (HPM75 quenching/tempering process), HPM75 hardness after heat treatment
1. HPM75 non-magnetic steel ingot: heating temperature 1150-1170°C, heating time ≥ 8h, start temperature 1100-1120°C, end temperature ≥ 950°C, air cooling;
2. HPM75 non-magnetic steel billet: heating temperature 1140-1160°C, heating time ≥ 8h, start temperature 1080-1100°C, end temperature ≥ 950°C, air cooling;
3. Non-magnetic steel HPM75 quenching temperature
4. Non-magnetic steel HPM75 tempering temperature
5. Non-magnetic steel HPM75 quenching process
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